home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Cream of the Crop 26
/
Cream of the Crop 26.iso
/
program
/
snpd9707.zip
/
FUPDATE.C
< prev
next >
Wrap
C/C++ Source or Header
|
1997-07-05
|
2KB
|
68 lines
/* +++Date last modified: 05-Jul-1997 */
/************************************************************************/
/* */
/* FUPDATE.C */
/* */
/* Functions to flush disk buffers to disk. */
/* */
/* Original Copyright 1990-93 by Robert B. Stout as part of */
/* the MicroFirm Function Library (MFL) */
/* */
/* The user is granted a free limited license to use this source file */
/* to create royalty-free programs, subject to the terms of the */
/* license restrictions specified in the LICENSE.MFL file. */
/* */
/************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <dos.h>
#include <io.h>
#include "dosfiles.h"
/*
** fdupdate()
**
** Update a file by handle reference.
**
** Arguments: 1 - Handle of file to update
**
** Returns: Success_ or error code
*/
int fdupdate(int fd)
{
if (3 > _osmajor || (3 == _osmajor && 3 > _osminor))
{
return close(dup(fd));
}
else
{
union REGS regs;
regs.h.ah = 0x68;
regs.x.bx = fd;
intdos(®s, ®s);
if (regs.x.cflag)
return regs.x.ax;
else return Success_;
}
}
/*
** fupdate()
**
** Update a C buffered file.
**
** Arguments: 1 - FILE pointer of file to update
**
** Returns: Success_ or error code
*/
int fupdate(FILE *fp)
{
fflush(fp);
return fdupdate(fileno(fp));
}